Home
Class 12
MATHS
An urn contains nine balls of which thre...

An urn contains nine balls of which three are red, four are blue and two are green. Three balls are drawn at random without replacement from the urn. The probability that the three balls have different colour, is

A

`(2)/(7)`

B

`(1)/(21)`

C

`(2)/(23)`

D

`(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise (Subjective Type Questions)|15 Videos
  • PERMUTATIONS AND COMBINATIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|28 Videos
  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|52 Videos

Similar Questions

Explore conceptually related problems

There are 5 red, 4 black and 3 white in a bag. Three balls are drawn one by one without replacement find the probability that all three balls are red.

A bag contains 10 balls out of which two are red,three are blue and five are black.Three balls are drawn at random from the bag.The probability that the balls are of the same colour is

Threre are 9 red,7 white and 4 black balls in an urn. Two balls are drawn at random from the urn. What will be the probability that both the balls are red ?

An urn contains 6 balls of which two are red and four are black. Two balls are drawn at random. Probability that they are of the different colours is

An urn contains 4 black and 6 red balls. If two balls are drawn at random from the urn without replacement ,then the probability that both are black is

A bag contains 8 red and 3 green balls. Three balls are drawn one after another without replacement. Find the probability that at least two balls drawn are green.

A abg contains 5 red and blue balls. If 3 balls are drawn at random without replacement, them the probability of getting exactly one red ball is

A basket contains three blue and four red balls. If three balls are drawn at random from the basket, what is the probability that all the three balls are either blue or red?

A box contains 2 blue, 3 green and 5 red balls . If three balls are drawn at random , what is the probability that all balls are different in color ?

A bag containing 5 red and 3 blue balls.If 3 balls are drawn at random without replacement the probability that exactly two of the three balls were red,the first being red is

ARIHANT MATHS-PROBABILITY-Exercise (Questions Asked In Previous 13 Years Exam)
  1. A signal which can be green or red with probability 4/5 and 1/5 respec...

    Text Solution

    |

  2. Four numbers are chosen at random (without replacement) from the set ...

    Text Solution

    |

  3. An urn contains nine balls of which three are red, four are blue and t...

    Text Solution

    |

  4. Let U1 , and U2, be two urns such that U1, contains 3 white and 2 red ...

    Text Solution

    |

  5. Given that the drawn ball from U2 is white, the probability that head ...

    Text Solution

    |

  6. Let Ea n dF be tow independent events. The probability that exactly on...

    Text Solution

    |

  7. Consider 5 independent Bernoulli.s trials each with probability of ...

    Text Solution

    |

  8. If C and D are two events such that CsubD""a n d""P(D)!=0 , then the c...

    Text Solution

    |

  9. Let A, B, C be pariwise independent events with P(C) >0 and P(AnnBnnC)...

    Text Solution

    |

  10. A ship is fitted with three engines E1, E2, and E3,. The engines funct...

    Text Solution

    |

  11. four fair dice D1, D2,D3 and D4 each having six faces numbered 1,2,3,4...

    Text Solution

    |

  12. If X and Y are two events such that PX//Y)=(1)/(2), P(Y//X)=(1)/(3) an...

    Text Solution

    |

  13. Three numbers are chosen at random without replacement from {1, 2, 3, ...

    Text Solution

    |

  14. A multuple choice examination has 5 questions. Each questions has thr...

    Text Solution

    |

  15. Four person independently solve a certain problem correctly with pr...

    Text Solution

    |

  16. Of the three independent events E1, E2 and E3, the probability that on...

    Text Solution

    |

  17. A box B(1) contains 1 white ball, 3 red balls, and 2 black balls. An- ...

    Text Solution

    |

  18. A box B1 contains 1 white ball, 3 red balls and 2 black balls. Another...

    Text Solution

    |

  19. Let A and B be two events such that Poverline((AcupB))=(1)/(6),P(AcapB...

    Text Solution

    |

  20. Three boys and two girls stand in a queue. The probability, that the n...

    Text Solution

    |